(1) Within the range of 7.5 to 10.0 at all times.
NR 274.072 History
History: Cr.
Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.073 History
History: Cr.
Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.074
NR 274.074 New source performance standards. Any new source subject to this subchapter shall achieve the following standards:
-
See PDF for table 
(1) Within the range of 7.5 to 10.0 at all times.
NR 274.074 History
History: Cr.
Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.075 History
History: Cr.
Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.076 History
History: Cr.
Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.08
NR 274.08 Applicability; description of the primary zinc subcategory. This subchapter applies to the discharge of pollutants to waters of the state and the introduction of pollutants into POTWs from the production of primary zinc by either electrolytic or pyrolytic means.
NR 274.08 History
History: Cr.
Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.082
NR 274.082 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available. Except as provided in
40 CFR 125.30 to
125.32, any existing point source subject to this subchapter shall achieve the following effluent limitations representing the degree of effluent reduction attainable by application of BPT:
-
See PDF for table
(1) Within the range of 6.0 to 9.0 at all times.
NR 274.082 History
History: Cr.
Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.083 History
History: Cr.
Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.084
NR 274.084 New source performance standards. Any new source subject to this subchapter shall achieve the following standards:
-
See PDF for table
(1) Within the range of 7.5 to 10.0 at all times.
NR 274.084 History
History: Cr.
Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.085 History
History: Cr.
Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.086
NR 274.086 Pretreatment standards for new sources. Except as provided in
s. NR 211.13, any new source subject to this subchapter which introduces pollutants into a POTW shall comply with
ch. NR 211 and achieve the standards set forth in
s. NR 274.085.
NR 274.086 History
History: Cr.
Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.09
NR 274.09 Applicability; description of the metallurgical acid plants subcategory. This subchapter applies to the discharge of pollutants to waters of the state and the introduction of pollutants into POTWs from the byproduct sulfuric acid at primary copper smelters, primary zinc facilities, primary lead facilities, and primary molybdenum facilities, including any associated air pollution control or gas conditioning systems for sulfur dioxide off-gasses from pyrometallurgical acid plants operations.
NR 274.09 History
History: Cr.
Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.092
NR 274.092 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available. Except as provided in
40 CFR 125.30 to
125.32, any existing point source subject to this subchapter shall achieve the following effluent limitations representing the degree of effluent reduction attainable by application of BPT:
-
See PDF for table
(1) For molybdenum acid plants only
(2) Within the range of 6.0 to 9.0 at all times.
NR 274.092 History
History: Cr.
Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.093
NR 274.093 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable. Except as provided in
40 CFR 125.30 to
125.32, any existing point source subject to this subchapter shall achieve the following effluent limitations representing the degree of effluent reduction attainable by application of BAT:
-
See PDF for table
(1) For molybdenum acid plants only.
NR 274.093 History
History: Cr.
Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.094
NR 274.094 New source performance standards. Any new source subject to this subchapter shall achieve the following standards:
-
See PDF for table
(1) For molybdenum acid plants only.
(2) Within the range of 6.0 to 9.0 at all times.
NR 274.094 History
History: Cr.
Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.095
NR 274.095 Pretreatment standards for existing sources. Except as provided in
ss. NR 211.13 and
211.14, any new [existing] source subject to this subchapter which introduces pollutants into a POTW shall comply with
ch. NR 211 and achieve the following PSES:
-
See PDF for table NR 274.095 History
History: Cr.
Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.096
NR 274.096 Pretreatment standards for new sources. Except as provided in
s. NR 211.13, any new source subject to this subchapter which introduces pollutants into a POTW shall comply with
ch. NR 211 and achieve the limitations set forth in
s. NR 274.093.
NR 274.096 History
History: Cr.
Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.10
NR 274.10 Applicability; description of the primary tungsten subcategory. This subchapter applies to the discharge of pollutants to waters of the state and the introduction of pollutants into POTWs from the production of tungsten at primary tungsten facilities.
NR 274.10 History
History: Cr.
Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.102
NR 274.102 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available. Except as provided in
40 CFR 125.30 to
125.32, any existing point source subject to this subchapter shall achieve the following effluent limitations representing the degree of effluent reduction attainable by application of BPT:
-
See PDF for table
(1) The limitation for ammonia does not apply if the mother liquor feed to the ion exchange process or the raffinate from the ion exchange process contains sulfates at concentrations exceeding 1,000 mg/l, this mother liquor or raffinate is treated by ammonia stripping, and this mother liquor or raffinate is not commingled with any other process or nonprocess waters prior to steam stripping for ammonia removal.
